Diagnosis And Treatment Of ADHD Varies Significantly Across Countries

.....ADHD is widely recognized internationally as a chronic neurodevelopmental disorder leading to impairment and requiring treatment. Until recently, epidemiological research supported the conclusion that the prevalence of ADHD varies significantly from country to country. However, a recent meta-analysis indicated that differences in prevalence are largely attributable to methodological differences in the studies themselves (e.g., differing definitions) rather than to cultural or national-level factors. The new survey shows that treatment procedures do vary a great deal between countries, even though ADHD prevalence may not. ....